CALL A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Power : 4 x 1.5V AAA Battery Size : 195 x 40 x 36mm ( meter) 230 x 205 x 50mm ( kits) Weight : ± 135g ( including batteries) ± 780g ( kits) Accessories : Conductivity cell, buffer pH 4 & pH 7, standard solution, lanyard, carrying case, batteries, instruction manual, warranty card, certificate of product conformance Range: pH -2 ~ 16.00 Accuracy ± 0.01 + 1dgt Resolution 0.01pH ATC 0 ~ 90° C Calibration 4.00, 7.00, 10.01 ORP Range -1000 ~ 100 Accuracy ± 2 + 1 dgt Resolution 1mW Temp Range 0 ~ 90.0° C Accuracy ± 0.2° C + 1 dgt Resolution 0.1° C Conductivity Range 0 ~ 2000µ S 2.00 ~ 20.00mS Accuracy ± 2% FS Resolution 1µ S / 0.01mS ATC 0 ~ 50° C Calibration 0µ S, 1413µ S, 12.88mS TDS Range 0 ~ 1300ppm 1.30 ~ 13.00ppt Accuracy ± 2% FS Resolution 1ppm / 0.01ppt ATC 0 ~ 50° C Calibration 0µ S, 1413µ S, 12.88mS Salinity Range 0 ~ 1000ppm 1.0 ~ 12.00 ppt Accuracy ± 2% FS Resolution 1ppm / 0.01ppt ATC 0 ~ 50° C Calibration 0µ S, 1413µ S, 12.88mS